Home / 29,145.84-40,218-16,396.56

Finding the Fourth Proportional to 29,145.84, 40,218 and 16,396.56

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Solution

The fourth proportional to 29,145.84, 40,218 and 16,396.56 is: 22,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.84 : 40,218 = 16,396.56 : x
  2. Step 2: Convert to fraction form
    29,145.84/40,218 = 16,396.56/x
  3. Step 3: Cross multiply
    29,145.84x = 40,218 × 16,396.56
  4. Step 4: Simplify right side
    29,145.84x = 659,436,850.08
  5. Step 5: Solve for x
    x = 659,436,850.08/29,145.84
  6. Step 6: Final answer
    x = 22,625.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.